CN103725298B - Device and the technique of biological fuel gas are produced in the destructive distillation of a kind of self-fluidized type high power CW - Google Patents
Device and the technique of biological fuel gas are produced in the destructive distillation of a kind of self-fluidized type high power CW Download PDFInfo
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- CN103725298B CN103725298B CN201410026795.3A CN201410026795A CN103725298B CN 103725298 B CN103725298 B CN 103725298B CN 201410026795 A CN201410026795 A CN 201410026795A CN 103725298 B CN103725298 B CN 103725298B
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 56
- 239000002737 fuel gas Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title abstract description 25
- 239000000567 combustion gas Substances 0.000 claims abstract description 105
- 238000003763 carbonization Methods 0.000 claims abstract description 82
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 82
- 239000007789 gas Substances 0.000 claims abstract description 57
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 55
- 239000000463 material Substances 0.000 claims description 31
- 239000002028 Biomass Substances 0.000 claims description 28
- 241000521257 Hydrops Species 0.000 claims description 11
- 206010030113 Oedema Diseases 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims 2
- 230000000171 quenching effect Effects 0.000 claims 2
- 239000000571 coke Substances 0.000 abstract description 32
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 3
- 230000007017 scission Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003776 cleavage reaction Methods 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 30
- 238000005336 cracking Methods 0.000 description 14
- 239000003610 charcoal Substances 0.000 description 13
- 239000011269 tar Substances 0.000 description 10
- 239000000470 constituent Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 230000008676 import Effects 0.000 description 8
- 238000001914 filtration Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000011285 coke tar Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010504 bond cleavage reaction Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Coke Industry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses device and technique that biological fuel gas is produced in the destructive distillation of a kind of self-fluidized type high power CW, device is by feeding device, carbonization decomposition device, combustion gas take-up gear, cease burnt carbon removal device and gas cleaning device composition, wherein feeding device is located at carbonization decomposition device top, the discharge port of feeding device is communicated with the opening for feed of carbonization decomposition device, combustion gas take-up gear is located at the bottom of carbonization decomposition device with the burnt carbon removal device of breath and is connected with the destructive distillation room of carbonization decomposition device, gas cleaning device is connected with combustion gas take-up gear, concrete technology is: the first step, the operation of carbonization decomposition device, the collection of second step, coke, the purification of the 3rd step, combustion gas and collection, beneficial effect: realize stable continuous prodution, can accomplish scale production, achieve the function of autocatalytic cleavage, shorten operation, reduce cost, improve benefit.
Description
Technical field
The present invention relates to a kind of device and the technique of producing biological fuel gas, particularly device and the technique of biological fuel gas is produced in the destructive distillation of a kind of self-fluidized type high power CW.
Background technology
At present, along with fossil energy day is becoming tight, the new forms of energy production technique of biomass resource petroleum replacing liquefied gas and Sweet natural gas and device is utilized also to continue to bring out.But in actual moving process, not yet realize serialization, large-scale production; fuel gases calorific value is low; tar content is high; output can't meet the needs compared with large town resident; more constrain the development of generating and related industries; therefore need a kind of technique and device more reasonably to utilize biomass material to produce biological fuel gas, improve equipment capacity and quality product to greatest extent, realize substituting and reducing discharging function.
Summary of the invention
Main purpose of the present invention is that biomass material can not automatic moving in process of production in order to solve device that biomass destructive distillation cracking produces combustion gas, and causes the fluffy material phenomenon of the indoor appearance of destructive distillation, can not realize the problem of continuous prodution;
Second object of the present invention is that in solution biomass destructive distillation cracking device, destructive distillation room volume is little, and the time causing biomass to stop in gas retort is short, does not reach carbonization decomposition effect, the problem that can not accomplish scale production;
3rd object of the present invention is in biomass destructive distillation cracking device, design gas charcoal flow direction in the same way, make gas, charcoal in the contact process of cracking section, red-hot charcoal serves katalysis, be the inflammable gas of short chain by the gas phase coke tar cracking in combustion gas, achieving just can pyrolysis fuel oil without extra catalyst;
4th object of the present invention adopts the biomass of powder raw material to produce combustion gas to solve, cause the thermo-efficiency in gas retort low, the scission reaction causing tar and charcoal is thorough, and the carbon dust of output is still needed secondary processing, there is the problem that power consumption is high, cost is high, operation is long.
The present invention in order to achieve the above object, to solve the problem and device and the technique of biological fuel gas are produced in a kind of self-fluidized type high power CW destructive distillation provided.
The self-fluidized type high power CW of the present invention destructive distillation device of producing biological fuel gas by feeding device, carbonization decomposition device, combustion gas take-up gear, cease burnt carbon removal device and gas cleaning device forms, wherein feeding device is located at carbonization decomposition device top, the discharge port of feeding device is communicated with the opening for feed of carbonization decomposition device, combustion gas take-up gear is located at the bottom of carbonization decomposition device with the burnt carbon removal device of breath and is connected with the destructive distillation room of carbonization decomposition device, and gas cleaning device is connected with combustion gas take-up gear.
Carbonization decomposition device is made up of ordered series of numbers, often the destructive distillation room of row carbonization decomposition device is hollow, and connect up and down, the destructive distillation room sidewall of carbonization decomposition device is arranged with quirk, top offers smoke outlet, quirk is communicated with smoke outlet, and quirk provides thermal source by burner, the top cover of carbonization decomposition device offers safety vent valve.
Carbonization decomposition device be externally connected to several regenerator, regenerator is communicated with quirk, and the import of regenerator is connected with burner, and the setting of regenerator is spaced apart 2-3 rice.
The material of carbonization decomposition device is corundum material.
Feeding device is by baffle-type transfer roller, opened type feed bin, upper sealing valve, close feed bin, lower sealing valve and spiral quantitative material feeder composition, wherein baffle plate type transfer roller is driven by frequency control motor, baffle plate type transfer roller bottom is connected with underground material storage container, top is connected with opened type feed bin, the discharge port of opened type feed bin is connected by the opening for feed of upper sealing valve with closed feed bin, the discharge port closing feed bin is connected by the opening for feed of lower sealing valve with spiral quantitative material feeder, upper sealing valve and lower sealing valve are driven by frequency control motor, alternately opening and closing, ensure the stopping property closing feed bin, spiral quantitative material feeder is the screw rod feeder driven by frequency control motor, need to determine travelling speed according to destructive distillation output.
The combustion gas pneumatic trough of annular is provided with in combustion gas take-up gear, inside is provided with several slanted channel and is connected with the destructive distillation room of carbonization decomposition device, the combustion gas produced in destructive distillation room is made to import combustion gas pneumatic trough by slanted channel, combustion gas take-up gear is provided with gas outlet, and the width of slanted channel is 40 millimeters.
Cease burnt carbon removal device to form by ceasing burnt room, upper sealing valve, carbon-type seal storehouse and lower sealing valve, wherein cease the import on top, burnt room and the outlet of carbonization decomposition device bottom, connectivity part is provided with the quantitative outlet roller of coke, the quantitative outlet roller of coke is driven by motor, spiral quantitative material feeder synchronous axial system in the quantitative outlet roller of coke and feeding device, the outlet ceasing bottom, burnt room is connected by upper sealing valve with the import on top, carbon-type seal storehouse, the outlet of bottom, carbon-type seal storehouse is connected with lower sealing valve, and the coke making breath defocused is discharged by lower sealing valve in batches.
Gas cleaning device is made up of combustion gas collector groove and combustion gas primary filter, wherein the inlet mouth of combustion gas collector groove is communicated with combustion gas take-up gear, the outlet of combustion gas collector groove bottom is communicated with by the inlet mouth of switching valve with combustion gas primary filter, combustion gas filter core is provided with in combustion gas primary filter, combustion gas filter core is drawer type, so that change, filtrate in combustion gas filter core is biomass machining object, so just can ensure that filter material and filtrate melt down destructive distillation again, stop the generation of polluting, the sidewall of combustion gas primary filter combustion gas filter core bottom offers air outlet, the bottom of combustion gas primary filter is connected with hydrops cone, the lower end of hydrops cone offers leakage fluid dram.
The technique of biological fuel gas is produced in self-fluidized type high power CW of the present invention destructive distillation, and concrete technology is as described below:
The operation of the first step, carbonization decomposition device:
First carbonization decomposition device is heated, open burner, according to the heating curve designed and heating-up time, carbonization decomposition device is heated, and carry out temperature equilibrium by heating curve, the 50 degree of balances that often heat up 20 minutes, be warmed up to 700 degree, time needs 6 hours, when carbonization decomposition device temperature of lower reaches 300 degree, start to feed in raw material, the biomass fuel of compression moulding is put into underground material storage container, by baffle-type transfer roller, fuel is delivered to the opened type feed bin on feeding device top, reinforced initial stage feed rate is per minute 80-100 kilogram, after temperature reaches 700 degree, feed rate is carried to per minute 120-150 kilogram, according to the upper sealing valve in the input speed timing designed alternately opening and closing feeding device and lower sealing valve, when upper sealing valve is opened, fuel falls into closed feed bin from opened type feed bin automatically by deadweight, close upper sealing valve, open lower sealing valve, raw material enters spiral quantitative material feeder automatically, according to the input speed of setting, fuel is at the uniform velocity pushed in the destructive distillation room of carbonization decomposition device by spiral quantitative material feeder, after the fuel in closed feed bin is cleared, lower sealing valve is closed automatically, then upper sealing valve is opened, repeat above step, fuel is continuously inputted in the destructive distillation room of carbonization decomposition device under airtight state,
The collection of second step, coke:
Red-hot charcoal after destructive distillation outputs to the burnt room of breath through the quantitative outlet roller of coke of the burnt carbon removal device of breath, and the rotating speed of the quantitative outlet roller of coke, when gas retort 850-900 spends, is set as 4 revs/min; When 900-950 spends, be set as 6 revs/min, cooled coke, derived by upper sealing valve, lower sealing valve and the carbon-type seal storehouse interval ceased in burnt carbon removal device;
The purification of the 3rd step, combustion gas and collection:
The combustion gas produced in carbonization decomposition device enters gas cleaning device through combustion gas take-up gear, combustion gas is by after the combustion gas filter element filtering of combustion gas primary filter in gas cleaning device, dust impurities in combustion gas is by filtering, steam in combustion gas and the tar particles of suspension are condensed into the liquid hydrops by gas cleaning device bottom cone and get rid of, and the combustion gas after filtration is discharged in appointment gas-holder stand-by when primary cooler cools to 35 degree by air outlet.
Principle of work of the present invention:
The heating of carbonization decomposition device is heat-processed from the bottom up, so temperature of lower is high, upper temp is low, and when temperature of lower reaches 900 degree, upper temp is 350 degree, under this furnace state, fuel destructive distillation curve in carbonization decomposition device destructive distillation room is in " V " font, and more down the degree of fuel destructive distillation is darker, arrives the bottom of carbonization decomposition device, fuel, from surrounding destructive distillation to center, completes the retort process of biomass.The dry distillation rate of biomass and the temperature of indirect heating have direct relation in this process, and temperature is higher, and the speed of destructive distillation is faster.Calculate by the carbonization decomposition devices of 12 meters high, carbonization decomposition device volume 4.8 tons, if pyrolysis temperature controls between 850-900 degree, whole stove fuel all removes outside carbonization decomposition device needs one hour, average minute clock fuel moves down 200 millimeters, need consumption of calorie 1,440,000 kcal, per minute produces combustion gas 24-28 cubic meter; If temperature is brought up between 900-950 degree, the fuel in carbonization decomposition device all removes outside stove needs 40 minutes, and average minute clock material moves down 300 millimeters, needs consumption of calorie substantially constant, and per minute produces combustion gas 30-36 cubic meter.
In whole retort process, also along with cracking process.While biomass fuel slowly moves down in carbonization decomposition device, the fugitive constituent of biomass is also separated out gradually with the rising of temperature, gas outlet is poured into from top to bottom in the space of fugitive constituent through between biomass solid departing from biomass, in the process flowed downward, fugitive constituent is through the red-hot pyrocarbon district of 900 degree, make to be mixed in the gaseous state tar in fugitive constituent and red-hot charcoal generation catalyzed reaction, coke tar cracking be short molecular chain can not coagulate inflammable gas, realize the cracking of tar.
The coke quantitative outlet roller of red-hot charcoal after destructive distillation through the burnt carbon removal device top of breath outputs to the burnt room of breath.The rotating speed of the quantitative outlet roller of coke, when gas retort 850-900 spends, is set as 4 revs/min; When 900-950 spends, be set as 6 revs/min.Red-hot coke is under the burnt indoor steam ambient of breath, coke extinguishes gradually on the one hand, the red-hot coke of another reverse side and steam reaction generate the inflammable gas such as carbon monoxide and methane, this part inflammable gas is upwards pooled to gas outlet and enters in gas cleaning device, thus adds the output of inflammable gas.Cooled coke, is derived by upper sealing valve, lower sealing valve and the carbon-type seal storehouse interval ceased in burnt carbon removal device.
The combustion gas produced in carbonization decomposition device enters gas cleaning device through combustion gas take-up gear, combustion gas is by after the combustion gas filter element filtering of combustion gas primary filter in gas cleaning device, dust impurities in combustion gas is by filtering, steam in combustion gas and the tar particles of suspension are condensed into the liquid hydrops by gas cleaning device bottom cone and get rid of, the fuel gas temperature be filtered is discharged in appointment gas-holder stand-by by gas outlet when being reduced to 35 degree, the biological fuel gas formed, calorific value is at 4000-4500kcal/M
3.
Beneficial effect of the present invention:
1, carbonization decomposition device in process of production biomass fuel through compact formed can be mobile by deadweight, translational speed is controlled by the quantitative outlet roller of coke, ensure that fuel flowing is smooth and easy, realizes stable continuous prodution;
2, carbonization decomposition device is vertically arranged, and determine height according to production scale, thoroughly solve the problem that in biomass destructive distillation cracking device, destructive distillation room volume is little, relatively add the residence time of biomass in carbonization decomposition device, fully can reach the effect of carbonization decomposition, can accomplish scale production;
3, the present invention designs gas charcoal flow direction in the same way, makes gas, charcoal in the contact process of cracking section, and red-hot charcoal serves katalysis, is the inflammable gas of short chain, achieves the function of autocatalytic cleavage by the gas phase coke tar cracking in combustion gas;
4, the present invention adopts patch fuel, improve the thermal conductivity of carbonization decomposition device fuel, thus improve the thermo-efficiency of carbonization decomposition device, shorten retorting time on the one hand, save the energy, the coke of output directly can be used as product sale on the other hand, shortens operation, reduce cost, improve benefit.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram that device each several part of the present invention is arranged.
Fig. 2 is the side-looking structural representation that device each several part of the present invention is arranged.
Fig. 3 is the thin bilge construction front view of device of the present invention.
Fig. 4 is the thin bilge construction side-view of device of the present invention.
Gas cleaning device structural representation in Fig. 5 device of the present invention.
Fig. 6 is device integrally combined schematic diagram of the present invention.
1, feeding device 2, carbonization decomposition device 3, combustion gas take-up gear 4, cease burnt carbon removal device
5, gas cleaning device 6, quirk 7, smoke outlet 8, safety vent valve 9, regenerator
11, baffle-type transfer roller 12, opened type feed bin 13, upper sealing valve 14, closed feed bin
15, lower sealing valve 16, spiral quantitative material feeder 41, cease burnt room 42, upper sealing valve
43, carbon-type seal storehouse 44, lower sealing valve 45, the quantitative outlet roller 51 of coke, combustion gas collector groove
52, combustion gas primary filter 53, switching valve 54, combustion gas filter core 55, air outlet
56, hydrops cone 57, leakage fluid dram.
Embodiment
Refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6:
The self-fluidized type high power CW of the present invention destructive distillation device of producing biological fuel gas by feeding device 1, carbonization decomposition device 2, combustion gas take-up gear 3, cease burnt carbon removal device 4 and gas cleaning device 5 forms, wherein feeding device 1 is located at carbonization decomposition device 2 top, the discharge port of feeding device 1 is communicated with the opening for feed of carbonization decomposition device 2, combustion gas take-up gear 3 is located at the bottom of carbonization decomposition device 1 with the burnt carbon removal device 4 of breath and is connected with the destructive distillation room of carbonization decomposition device 1, and gas cleaning device 5 is connected with combustion gas take-up gear 3.
Carbonization decomposition device 2 is made up of ordered series of numbers, often the destructive distillation room of row carbonization decomposition device 2 is hollow, and connect up and down, the destructive distillation room sidewall of carbonization decomposition device 2 is arranged with quirk 6, top offers smoke outlet 7, quirk 6 is communicated with smoke outlet 7, and quirk 6 provides thermal source by burner, the top cover of carbonization decomposition device 2 offers safety vent valve 8.
Carbonization decomposition device 2 be externally connected to several regenerator 9, regenerator 9 is communicated with quirk 6, and the import of regenerator 9 is connected with burner, and the setting of regenerator 9 is spaced apart 2-3 rice.
The material of carbonization decomposition device 2 is corundum material.
Feeding device 1 is by baffle-type transfer roller 11, opened type feed bin 12, upper sealing valve 13, close feed bin 14, lower sealing valve 15 and spiral quantitative material feeder 16 form, wherein baffle plate type transfer roller 11 is driven by frequency control motor, baffle plate type transfer roller 11 bottom is connected with underground material storage container, baffle plate type transfer roller 11 top is connected with opened type feed bin 12, the discharge port of opened type feed bin 12 is connected by the opening for feed of upper sealing valve 13 with closed feed bin 14, the discharge port closing feed bin 14 is connected by the opening for feed of lower sealing valve 15 with spiral quantitative material feeder 16, upper sealing valve 13 and lower sealing valve 15 are driven by frequency control motor, alternately opening and closing, ensure the stopping property closing feed bin 14, spiral quantitative material feeder 16 is the screw rod feeders driven by frequency control motor, need to determine travelling speed according to destructive distillation output.
The combustion gas pneumatic trough of annular is provided with in combustion gas take-up gear 3, inside is provided with several slanted channel and is connected with the destructive distillation room of carbonization decomposition device 2, the combustion gas produced in carbonization decomposition device 2 is made to import combustion gas pneumatic trough by slanted channel, combustion gas take-up gear 3 is provided with gas outlet, and the width of slanted channel is 40 millimeters.
Cease burnt carbon removal device 4 by the burnt room 41 of breath, upper sealing valve 42, carbon-type seal storehouse 43 and lower sealing valve 44 form, wherein cease the import on top, burnt room 41 and the outlet of carbonization decomposition device 2 bottom, connectivity part is provided with the quantitative outlet roller 45 of coke, the quantitative outlet roller 45 of coke is driven by motor, the quantitative outlet roller 45 of coke and spiral quantitative material feeder 16 synchronous axial system in feeding device 1, the outlet ceasing bottom, burnt room 41 is connected by upper sealing valve 42 with the import on top, carbon-type seal storehouse 43, the outlet of bottom, carbon-type seal storehouse 43 is connected with lower sealing valve 44, the coke making breath defocused is discharged by lower sealing valve 44 in batches.
Gas cleaning device 5 is made up of combustion gas collector groove 51 and combustion gas primary filter 52, wherein the inlet mouth of combustion gas collector groove 51 is communicated with combustion gas take-up gear 3, the outlet of combustion gas collector groove 51 bottom is communicated with by the inlet mouth of switching valve 53 with combustion gas primary filter 52, combustion gas filter core 54 is provided with in combustion gas primary filter 52, combustion gas filter core 54 is drawer type, so that change, filtrate in combustion gas filter core 54 is biomass combustiblematerials, so just can ensure that filtrate and the impurity filtered out carry out melting down rekindling, stop the generation of polluting, the sidewall of combustion gas primary filter 52 bottom offers air outlet 55, the bottom of combustion gas primary filter 52 is connected with hydrops cone 56, the lower end of hydrops cone 56 offers leakage fluid dram 57.
The technique of biological fuel gas is produced in self-fluidized type high power CW of the present invention destructive distillation, and concrete technology is as described below:
The operation of the first step, carbonization decomposition device 2:
First carbonization decomposition device 2 is heated, open burner, according to the heating curve designed and heating-up time, carbonization decomposition device 2 is heated, and carry out temperature equilibrium by heating curve, the 50 degree of balances that often heat up 20 minutes, be warmed up to 700 degree, time needs 6 hours, when carbonization decomposition device 2 temperature of lower reaches 300 degree, start to feed in raw material, the biomass fuel of compression moulding is put into underground material storage container, by baffle-type transfer roller 11, fuel is delivered to the opened type feed bin 12 on feeding device 1 top, intensification initial stage feed rate is per minute 80-100 kilogram, after temperature reaches 700 degree, feed rate is carried to per minute 120-150 kilogram, according to the upper sealing valve 13 in the input speed timing designed alternately opening and closing feeding device 1 and lower sealing valve 15, when upper sealing valve 13 is opened, fuel falls into closed feed bin 14 automatically from opened type feed bin 12, close upper sealing valve 13, open lower sealing valve 15, raw material enters spiral quantitative material feeder 16 automatically, according to the input speed of setting, fuel is at the uniform velocity pushed in the destructive distillation room of carbonization decomposition device 2 by spiral quantitative material feeder 16, after the fuel in closed feed bin 14 is cleared, upper sealing valve 13 and lower sealing valve 15 are closed automatically, then upper sealing valve 13 is opened, repeat above step, fuel is continuously inputted in the destructive distillation room of carbonization decomposition device 2 under airtight state,
The collection of second step, coke:
Red-hot charcoal after destructive distillation outputs to the burnt room 41 of breath through the quantitative outlet roller 45 of coke of the burnt carbon removal device 4 of breath, and the rotating speed of the quantitative outlet roller 45 of coke, when gas retort 850-900 spends, is set as 4 revs/min; When 900-950 spends, be set as 6 revs/min, cooled coke, derived by upper sealing valve 42, lower sealing valve 44 and carbon-type seal storehouse 43 interval ceased in burnt carbon removal device 4;
The purification of the 3rd step, combustion gas and collection:
The combustion gas produced in carbonization decomposition device 2 enters gas cleaning device 5 through combustion gas take-up gear 3, combustion gas is by after in gas cleaning device 5, the combustion gas filter core 54 of combustion gas primary filter 52 filters, dust impurities in combustion gas is by filtering, steam in combustion gas and the tar particles of suspension are condensed into the liquid hydrops by gas cleaning device 5 bottom cone 56 and get rid of, and the combustion gas after being filtered is discharged in appointment gas-holder stand-by when primary cooler cools to 35 degree by air outlet 55.
Principle of work of the present invention:
The heating of carbonization decomposition device 2 is heat-processed from the bottom up, so temperature of lower is high, upper temp is low, and when temperature of lower reaches 900 degree, upper temp is 350 degree, under this furnace state, fuel destructive distillation curve in carbonization decomposition device 2 destructive distillation room is in " V " font, and more down the degree of fuel destructive distillation is darker, arrives the bottom of carbonization decomposition device 2, fuel, from surrounding destructive distillation to center, completes the retort process of biomass.The dry distillation rate of biomass and the temperature of indirect heating have direct relation in this process, and temperature is higher, and the speed of destructive distillation is faster.Calculate by the carbonization decomposition devices of 12 meters high, carbonization decomposition device 2 volume 4.8 tons, if pyrolysis temperature controls between 850-900 degree, whole stove fuel all removes outside carbonization decomposition device 2 needs one hour, average minute clock fuel moves down 200 millimeters, need consumption of calorie 1,440,000 kcal, per minute produces combustion gas 24-28 cubic meter; If temperature is brought up between 900-950 degree, the fuel in carbonization decomposition device 2 all removes outside stove needs 40 minutes, and average minute clock material moves down 300 millimeters, needs consumption of calorie substantially constant, and per minute produces combustion gas 30-36 cubic meter.
In whole retort process, also along with cracking process.While biomass fuel slowly moves down in carbonization decomposition device 2, the fugitive constituent of biomass is also separated out gradually with the rising of temperature, gas outlet is poured into from top to bottom in the space of fugitive constituent through between biomass solid departing from biomass, in the process flowed downward, fugitive constituent is through the red-hot pyrocarbon district of 900 degree, make to be mixed in the gaseous state tar in fugitive constituent and red-hot charcoal generation catalyzed reaction, coke tar cracking be short molecular chain can not coagulate inflammable gas, realize the cracking of tar.
The coke quantitative outlet roller 45 of red-hot charcoal after destructive distillation through burnt carbon removal device 4 top of breath outputs to the burnt room of breath.The rotating speed of the quantitative outlet roller 45 of coke, when gas retort 850-900 spends, is set as 4 revs/min; When 900-950 spends, be set as 6 revs/min.Red-hot coke is in the burnt room 41 of breath under steam ambient, coke extinguishes gradually on the one hand, the red-hot coke of another reverse side and steam reaction generate the inflammable gas such as carbon monoxide and methane, this part inflammable gas is upwards pooled to gas outlet and enters in gas cleaning device 5, thus adds the output of inflammable gas.Cooled coke, is derived by upper sealing valve 42, lower sealing valve 44 and carbon-type seal storehouse 43 interval ceased in burnt carbon removal device 4.
The combustion gas produced in carbonization decomposition device 2 enters gas cleaning device 5 through combustion gas take-up gear 3, combustion gas is by after in gas cleaning device 5, the combustion gas filter core 54 of combustion gas primary filter 52 filters, dust impurities in combustion gas is by filtering, steam in combustion gas and the tar particles of suspension are condensed into the liquid hydrops by gas cleaning device 5 bottom cone 56 and get rid of, the fuel gas temperature be filtered is discharged in appointment gas-holder stand-by by air outlet 55 when being reduced to 35 degree, the biological fuel gas formed, calorific value is at 4000-4500kcal/M
3.
Claims (1)
1. the device of biological fuel gas is produced in self-fluidized type high power CW destructive distillation, by feeding device, carbonization decomposition device, combustion gas take-up gear, quenching carbon removal device and gas cleaning device composition, wherein feeding device is located at carbonization decomposition device top, the discharge port of feeding device is communicated with the opening for feed of carbonization decomposition device, combustion gas take-up gear and quenching carbon removal device are located at the bottom of carbonization decomposition device and are connected with the destructive distillation room of carbonization decomposition device, gas cleaning device is connected with combustion gas take-up gear, carbonization decomposition device is made up of ordered series of numbers, often the destructive distillation room of row carbonization decomposition device is hollow, and connect up and down, the destructive distillation room sidewall of carbonization decomposition device is arranged with quirk, top offers smoke outlet, quirk is communicated with smoke outlet, quirk provides thermal source by burner, the top cover of carbonization decomposition device offers safety vent valve, feeding device is by baffle-type transfer roller, opened type feed bin, upper sealing valve, close feed bin, lower sealing valve and spiral quantitative material feeder composition, wherein baffle conveyer belt is driven by frequency control motor, baffle conveyer belt bottom is connected with underground material storage container, baffle conveyer belt top is connected with opened type feed bin, the discharge port of opened type feed bin is connected by the opening for feed of upper sealing valve with closed feed bin, the discharge port closing feed bin is connected by the opening for feed of lower sealing valve with spiral quantitative material feeder, upper sealing valve and lower sealing valve are driven by frequency control motor, alternately opening and closing, spiral quantitative material feeder is the screw rod feeder driven by frequency control motor, it is characterized in that: described gas cleaning device is made up of combustion gas collector groove and combustion gas primary filter, wherein the inlet mouth of combustion gas collector groove is communicated with combustion gas take-up gear, the outlet of combustion gas collector groove bottom is communicated with by the inlet mouth of switching valve with combustion gas primary filter, combustion gas filter core is provided with in combustion gas primary filter, combustion gas filter core is drawer type, filtrate in combustion gas filter core is biomass machining object, the sidewall of combustion gas primary filter combustion gas filter core bottom offers air outlet, the bottom of combustion gas primary filter is provided with hydrops cone, the lower end of hydrops cone offers leakage fluid dram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN104789237B (en) * | 2015-03-31 | 2017-11-17 | 张家港市天源机械制造有限公司 | Continuous feed conveying device in biomass carbonization stove |
| CN105505413A (en) * | 2016-01-20 | 2016-04-20 | 何勇 | Garbage disposal unit |
| CN105778938B (en) * | 2016-03-10 | 2019-01-11 | 天津大学 | A kind of coke quenching method and device |
| CN105861005B (en) * | 2016-05-16 | 2020-01-07 | 河南工创联盟科技有限公司 | Biomass retort |
| CN106967446A (en) * | 2017-03-16 | 2017-07-21 | 武汉天颖环境工程股份有限公司 | A kind of portable pyrolysis oven of standing unit |
| CN109401774A (en) * | 2018-12-04 | 2019-03-01 | 青岛伊克斯达智能装备有限公司 | The continuous thermal splitting system of waste plastics and its thermal-cracking method |
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